- Open the Settings dialog.
- In the left-hand part of the dialog, under IDE Settings, select Plugins.
- On the Plugins page that opens in the right-hand part of the dialog, make sure that All plugins is selected in the Show box, and type aspectj in the search field.
- Make sure that the check boxes to the left of AspectJ Support and Spring-AOP and @AspectJ support are selected.
- Click OK in the Settings dialog.
- Select to restart IntelliJ IDEA if so asked.

